Motion sensor



FIG. 1 is a perspective view of a motion sensor showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showings of various elements of the motion sensor and the unshaded areas therein are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a motion sensor, as shown and described. 